Gaia DR2 231845598813983744

All names: Gaia DR3 231845598813983744, Gaia DR2 231845598813983744, WDJ040112.23+441549.04, GALEX J040112.2+441549, WDJ040112.23+441549.03, Gaia EDR3 231845598813983744

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 04 01 12.23 (0.2) 04 01 12.23 04 01 12.23 04 01 12.23 (0.2) 04 01 12.23
Declination 44 15 48.73 (0.1) 44 15 48.74 44 15 48.73 44 15 49.04 (0.1) 44 15 48.74
Spectral type DC DC
Effective temperature [K] 7250.0 6997.0 6928.0 (206)
log(g) [cgs] 8.25 8.15 8.13 (0.05)
Mass [M] 0.748 0.668 0.653 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 2.1860 2.0670
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.42 (0.2) 10.39 (0.2) 10.42 10.42 (0.2) 10.39 (0.2)
Distance [pc] 95.94 (2) 96.23 (2) 95.94 95.94 (2) 96.23 (2)
Composition
Proper motion (right ascension) [mas/yr] 1.806957019 (0.3) 2.104635839 (0.4) 1.807 (0.3) 2.104635839
Proper motion (declination) [mas/yr] -19.70770487 (0.2) -19.5805047 (0.3) -19.708 (0.2) -19.5805047
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.57 (0.02) 18.60 18.57 18.57 (0.003) 18.60
BP magnitude 18.76 (0.02) 18.74 18.74
RP magnitude 18.31 (0.03) 18.32 18.32
Pan g magnitude 18.75 (0.02)
Pan r magnitude 18.59 (0.003)
Pan i magnitude 18.60 (0.007)
Pan z magnitude 18.67 (0.01)
Pan y magnitude 18.67 (0.02)
E(B-V) 0.011

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.